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Simplify `-6 root(4)(243 x^15)` completely. Write answer in radical form. Assume `x>0`.
Answer =
Entry Tip: To enter an answer like `50 x*root(3)(5 x^2),` type 50x*root(3)(5x^2). Preview your answer before submitting! `-18 x^3*root(4)(3 x^3)`